Free Access to the Proceedings of the EFP – AAP Workshop in Periodontology Editor: M. Tonetti, Italy Associate Editors T. Berglundh, Sweden I. Chapple, UK S. Jepsen, Germany P. Papapanou, USA M. Quirynen, Belgium M. Sanz, Spain F. Schwarz, Germany P. Sharpe, UK Impact Factor: 2.996 ISI Journal Citation Reports© Ranking: 2011: 5/81 (Dentistry Oral …